package com.linln.admin.system.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisClusterConfiguration;
import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.Set;

@Configuration
@EnableCaching // 开启缓存支持
public class RedisConfig extends CachingConfigurerSupport {


    @Value("${localRedis.host}")
    private String host;

    @Value("${localRedis.port}")
    private int port;

    @Value("${localRedis.password}")
    private String password;

    @Value("${localRedis.database}")
    private int database;

//    @Bean
//    public LettuceConnectionFactory lettuceConnectionFactory() {
//        RedisClusterConfiguration configuration = new RedisClusterConfiguration();
//        configuration.clusterNode("124.202.145.113",5380)
//                .clusterNode("124.202.145.113",5381)
//                .clusterNode("124.202.145.113",5382)
//                .clusterNode("124.202.145.113",5383)
//                .clusterNode("124.202.145.113",5384)
//                .clusterNode("124.202.145.113",5385)
//                .setMaxRedirects(3);
//        LettuceConnectionFactory factory = new LettuceConnectionFactory(configuration);
//        return factory;
//    }


    @Bean
    public LettuceConnectionFactory lettuceConnectionFactory(){
        RedisStandaloneConfiguration configuration = new RedisStandaloneConfiguration();
        configuration.setDatabase(database);
        configuration.setHostName(host);
        configuration.setPort(port);
        configuration.setPassword(password);
        LettuceConnectionFactory factory = new LettuceConnectionFactory(configuration);
        return factory;
    }


//    @Bean
//    public KeyGenerator keyGenerator() {
//        return new KeyGenerator() {
//            @Override
//            public Object generate(Object target, Method method, Object... params) {
//                StringBuffer sb = new StringBuffer();
//                sb.append(target.getClass().getName());
//                sb.append(method.getName());
//                for (Object obj : params) {
//                    sb.append(obj.toString());
//                }
//                return sb.toString();
//            }
//        };
//    }


//    // 缓存管理器
//    @Bean
//    public CacheManager cacheManager() {
//        RedisCacheManager.RedisCacheManagerBuilder builder = RedisCacheManager.RedisCacheManagerBuilder
//                .fromConnectionFactory(lettuceConnectionFactory());
//        @SuppressWarnings("serial")
//        Set<String> cacheNames = new HashSet<String>() {
//            {
//                add("codeNameCache");
//            }
//        };
//        builder.initialCacheNames(cacheNames);
//        return builder.build();
//    }


    /**
     * RedisTemplate配置
     */
    @Bean(name = "redisTemplate")
    public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
        // 设置序列化
        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(
                Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        // 配置redisTemplate
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
        redisTemplate.setConnectionFactory(lettuceConnectionFactory);
        RedisSerializer<?> stringSerializer = new StringRedisSerializer();
        redisTemplate.setKeySerializer(stringSerializer);// key序列化
        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);// value序列化
        redisTemplate.setHashKeySerializer(stringSerializer);// Hash key序列化
        redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);// Hash value序列化
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }


}
